Function eth_dev_config_restore

dpdk/lib/ethdev/rte_ethdev.c:1658–1722

}

static int
eth_dev_config_restore(struct rte_eth_dev *dev,
		struct rte_eth_dev_info *dev_info, uint16_t port_id)
{
	int ret;

	if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
		eth_dev_mac_restore(dev, dev_info);

	/* replay promiscuous configuration */
	/*
	 * use callbacks directly since we don't need port_id check and
	 * would like to bypass the same value set
	 */
	if (rte_eth_promiscuous_get(port_id) == 1 &&
	    *dev->dev_ops->promiscuous_enable != NULL) {
		ret = eth_err(port_id,
			      (*dev->dev_ops->promiscuous_enable)(dev));
		if (ret != 0 && ret != -ENOTSUP) {
			RTE_ETHDEV_LOG(ERR,
				"Failed to enable promiscuous mode for device (port %u): %s\n",
				port_id, rte_strerror(-ret));
			return ret;
		}
	} else if (rte_eth_promiscuous_get(port_id) == 0 &&
		   *dev->dev_ops->promiscuous_disable != NULL) {
		ret = eth_err(port_id,
			      (*dev->dev_ops->promiscuous_disable)(dev));
		if (ret != 0 && ret != -ENOTSUP) {
			RTE_ETHDEV_LOG(ERR,
				"Failed to disable promiscuous mode for device (port %u): %s\n",
				port_id, rte_strerror(-ret));
			return ret;
		}
	}

	/* replay all multicast configuration */
	/*
	 * use callbacks directly since we don't need port_id check and
	 * would like to bypass the same value set
	 */
	if (rte_eth_allmulticast_get(port_id) == 1 &&
	    *dev->dev_ops->allmulticast_enable != NULL) {
		ret = eth_err(port_id,
			      (*dev->dev_ops->allmulticast_enable)(dev));
		if (ret != 0 && ret != -ENOTSUP) {
			RTE_ETHDEV_LOG(ERR,
				"Failed to enable allmulticast mode for device (port %u): %s\n",
				port_id, rte_strerror(-ret));
			return ret;
		}
	} else if (rte_eth_allmulticast_get(port_id) == 0 &&
		   *dev->dev_ops->allmulticast_disable != NULL) {
		ret = eth_err(port_id,
			      (*dev->dev_ops->allmulticast_disable)(dev));
		if (ret != 0 && ret != -ENOTSUP) {
			RTE_ETHDEV_LOG(ERR,
				"Failed to disable allmulticast mode for device (port %u): %s\n",